## Physics Tutorial

*Kinematics - Projectile Motion*

#### Intro

In this problem, we will work on projectile motion. It is important in these types of problems to look at the given quantities and find the appropriate kinematic equation(s) to relate those to the quantity you are looking for. A diagram can help with this.

#### Sample Problem

A child throws a ball to a dog standing 30 m away. The ball is thrown at 13 m/s from a height of 1 m, at an angle of 45 degrees to the ground. The dog starts running toward the child at the moment the ball is released. How fast must it run to catch the ball as it falls back toward the ground at a height of 1.5 m?

#### Solution

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